查询词典 carbamates

To study the gas chromatography-mass spectrometry for determination of various carbamates pesticide in vegetable.

目的 应用气相色谱质谱联用技术同时检测蔬菜中多种氨基甲酸酯类农药。

Two kinds of analyzers have being developed by us in order to be conveniently used for on-site monitoring of organophosphates and carbamates toxicity in vegetables.

本论文研制了两种农药残毒检测仪，和两套试剂包，很好地满足了有机磷及氨基甲酸酯类农药残留现场检测的需要。

In this dissertation, the practical significance and the recent development of non-phosgene synthesis of N-substituted carbamates are reviewed briefly, as well as the application of ionic liquids in catalysis.

本论文综述了非光气合成N-取代氨基甲酸酯类化合物的现实意义和研究进展，以及离子液体在催化反应中的应用。

Results The results presented the excellent selectivity of organophosphorus and carbamates.

结果 对有机磷和氨基甲酸酯农药有较好的选择性，最低检出浓度为0.1μ g · mL-1。

It is a simple, rapid, reliable method. It can be applied to pesticide active ingredients range of organic phosphorus, organic chlorine, permethrin, carbamates and organic nitrogen, and other non-heat-type decomposition of pesticides.

该方法具有简单、快速、可靠的特点，适用的商品农药有效成分范围包括有机磷、有机氯、菊酯、氨基甲酸酯和有机氮类等非受热易分解农药。

The main contents and conclusions are as follows:(1) Synthesis of 1,6-hexamethylenedicarbamate catalyzed by yttrium nitrate Yttrium nitrate was employed as the catalyst in the synthesis of 1,6-hexamethylenedicarbamate from alkyl carbamates.

主要内容和结论如下：(1)硝酸钇为催化剂合成1，6-己二氨基甲酸酯采用硝酸钇作为小分子氨基甲酸烷基酯和1，6-己二胺合成1，6-己二氨基甲酸酯的催化剂。

At 175 ℃ and 5.0 MPa, the oxidative carbonylation of aniline to the corresponding carbamates over these catalysts could be proceeded with a high conversion(96%), selectivity(99%) and 532 for TOF was achieved.

金催化剂作为一种新型的催化材料正日益引起人们的重视。

NSE was showed to play important role in the mosquito resistance against organophosphorus insecticides and was one of important mechanism for the development of resistance towards carbamates, while it has little relation with the resistance against pyrethroids.

NSE在淡色库蚊对有机磷类杀虫剂的抗性中起重要作用，也是对氨基甲酸酯类杀虫剂产生抗性的机制之一，与对拟除虫菊酯类杀虫剂的抗性关系不大。

A GC-MS/MS method was developed for the simultaneous determination of 50 pesticides residues,including 38 organophosphorus pesticides,7 N-methy1 carbamates and 5 pryethoids insecticides,whose molecular weights ranged from 185 to 503,in vegetable.

建立了气相色谱-串联质谱同时检测蔬菜中50种(38种有机磷、7种有机氮和5种拟除虫菊酯类)农药的多残留分析方法。

Background m-tolyl methylcarbamateis one of carbamates pesticide, human are exposed to MTMC from various environmental sources.

中文摘要： 1研究背景速灭威(m-tolyl methylcarbamate， MTMC)是一种常用的氨基甲酸酯类农药，可能通过多种接触途径产生神经毒性作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。